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Lower Mainland Corrugator Wastewater Reuse Results: (2000 Gallon Batch System)
| Before |
After |
| Needed 3 chemicals: Aluminum Chloride (15 Gal), Lime and Polymer. |
Using 2 chemicals: 50% Sulfuric acid (3 Gal) & Floccin-1106 (35 Lbs). |
| Filter Press: 3 full presses per batch. |
Filter Press: 2 full presses per batch. |
| Frequent need to pressure wash filter cloth & press due to blinding of filter media. |
No need for pressure washing since May, 2005 because of unique chemistry. |
| Need to prepare polymer batch |
No need |
| Need to prepare lime batch |
No need |
|
Benefits: No need for DE Pre-coat, Consistent results, 30% reduction in sludge volume due to drier cake, overall chemical cost is same and significant savings in man-hours.
Lower Mainland Adhesives Plant Wastewater Results: 2000 Gallon Batch System)
| Before |
After |
| Needed 3 chemicals: Coagulant, Caustic and Polymer. |
Using 2 chemicals: Caustic & Floccin-A. |
| Filter Press: 2 full presses per batch. |
Filter Press: 1 full press per batch. |
| Needed to pressure wash filter cloths & press very frequently. |
No need for pressure washing since November, 2004. |
| Need to prepare polymer batch |
No need |
|
Benefits: No need for DE Pre-coat, Consistent results, 50% reduction in sludge volume due to drier cake, overall chemical cost is same and big savings in man-hours.
Listeria Monocytogenes control at Fish plant with ozone treatment: 30 second exposure with ozonated water (2 ppm):
| Parameter |
Before Treatment |
After Treatment |
| Listeria Monocytogenes |
Positive/25g |
Negative/25g |
| Salmonella |
Negative/25g |
Negative/25g |
| Standard Plate Count |
14000 CFU/g |
7400 CFU/g |
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